diff --git a/python/obitools3/commands/ls.pyx b/python/obitools3/commands/ls.pyx
new file mode 100644
index 0000000..1c210c6
--- /dev/null
+++ b/python/obitools3/commands/ls.pyx
@@ -0,0 +1,37 @@
+#cython: language_level=3
+
+from obitools3.uri.decode import open_uri
+from obitools3.apps.config import logger
+from obitools3.dms import DMS
+from obitools3.apps.optiongroups import addMinimalInputOption
+
+ 
+__title__="Print a preview of a DMS, view, column...."
+
+
+def addOptions(parser):    
+    addMinimalInputOption(parser)
+
+
+def run(config):
+
+    DMS.obi_atexit()
+    
+    logger("info", "obi ls")
+
+    # Open the input
+    input = open_uri(config['obi']['inputURI'])
+    if input is None:
+        raise Exception("Could not read input")
+    
+    print(repr(input[1]))
+     
+     
+     
+     
+ 
+     
+     
+     
+     
+         
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